Nez Perce County Population

1870–2026

42,916

2026 projection

1.8% since 2020 (increase)

010K20K30K40K50K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Nez Perce County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202642,916+110.03%
202542,905+110.03%
202442,894-600.14%
202342,954-440.10%
202242,998+4831.14%
202142,515+3670.87%
202042,148+1,5473.81%
201940,601+1930.48%
201840,408+320.08%
201740,376+1760.44%

Showing 10 of 30 years.

Nez Perce County Demographics

41.2median age

Median age

Female41.9 yrs
Male40.3 yrs

Adults

33,634
8,998 seniors (65+) · 27% of adults24,636 other adults

Sex

Female 50.2% · 21,417Male 49.8% · 21,280

Population by age

MaleFemale85+ years, male: 39285+ years, female: 82480–84 years, male: 52680–84 years, female: 53175–79 years, male: 77275–79 years, female: 88670–74 years, male: 1,25170–74 years, female: 1,05265–69 years, male: 1,26365–69 years, female: 1,50160–64 years, male: 1,31760–64 years, female: 1,36355–59 years, male: 1,49655–59 years, female: 1,54450–54 years, male: 1,33050–54 years, female: 1,28945–49 years, male: 1,19645–49 years, female: 1,17940–44 years, male: 1,17440–44 years, female: 1,07035–39 years, male: 1,39935–39 years, female: 1,41730–34 years, male: 1,42330–34 years, female: 1,32925–29 years, male: 1,23425–29 years, female: 1,13520–24 years, male: 1,26220–24 years, female: 1,27015–19 years, male: 1,52815–19 years, female: 1,42710–14 years, male: 1,38810–14 years, female: 1,2365–9 years, male: 1,2405–9 years, female: 1,2410–4 years, male: 1,0890–4 years, female: 1,12385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 427 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Nez Perce County Income

$72,599median household income

Median household income

$72,599

Half of households earn more, half earn less

Median earnings

$49,732

Typical yearly pay for a worker 25 or older.

Poverty rate

12.3%

About 1 in 8 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Nez Perce County Marital Status

49% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married49%52%47%
Never married28%31%25%
Divorced15%14%16%
Widowed7%2%11%
Separated1%1%1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

8 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year